Question # 1

The process of confining the beam of light to vibrate in one plane is called.

Choose an answer

Interference

Diffraction

Polarization

Total internal refraction

Which phenomenon of light proves that light waves are transverse in nature.

Choose an answer

Refraction

Reflection

Diffraction

Polarization

The fringe spacing in a double slit experiment can be increased by decreasing.

Choose an answer

Wavelength of light

Width of slits

Slit separation

Distance between the slits and the screen

The centre of Newton's fringe is dark due to.

Choose an answer

Destructive interference

Diffraction

Constructive interference

Polarization

Huygen's proposed, light energy travels in space from source in

Choose an answer

1578

1678

1778

1868

When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes and observed, The wavelength of light used is.

Choose an answer

5000 m

50000 A^o

500 cm

2000 A^o

The blue colour of sky is due to

Choose an answer

diffraction

Reflection

Polarization

Scattering

Which one of the following can not be polarized.

Choose an answer

Ultra violet rays

Radio waves

T.V. Waves

Sound waves

A typical diffraction grating has certain number of lines per centimeter whose range is.

Choose an answer

40 to 50

400 to 5000

400 to 500

4000 to 5000

The distinguish between transverse and longitudinal wave_______ is used.

Choose an answer

Refraction

Interference

Diffraction

polarization

Oil film floating on water exhibits colours due to

Choose an answer

Interference

Diffraction

Polarization

All of these

Soap film is sunlight appears coloured due to.

Choose an answer

Dispersion of light

Diffraction of light

Scattering of light

Interference fo light

Sodium chloride in a flame gives

Choose an answer

Green light

White light

Red light

Yellow light

Michelson's interferometer can be used ot find the

Choose an answer

Velocity of light

Wavelength of light

Velocity of sound

Wavelength of sound

The phenomenon of polarization of light reveals that sun light is

Choose an answer

Longitudinal waves

Transverse wave

Electromagnetic waves

Monochromatic wave

Young in 1801 performed experiment for the first time about

Choose an answer

Interference

Diffraction

Polarization

Particle nature of light

Interplaner distance can be determined by

Choose an answer

Newton's rings

Bragg's law

Diffraction pattern

Interferometer

In young's double slit experiment for the interference the central region will be

Choose an answer

Dark

Bright

Coloured

None of these

Standard metal according to Michelson's interferometer is equivalent to

Choose an answer

1553163.5 wave meter

3 x 108meter

15503000 meter

None of these

Example of thin film is.

Choose an answer

Soap burble

convex lens

Concave lens

Glass plate

According to Hygen's principle, each point on a wave front acts as a source of.

Choose an answer

Secondary wavelet

New wave front

Sound

Primary wavelet

More Classes

Other Links

Physics Fsc Part 1 Chapter 9 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer